1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
*
* (C) COPYRIGHT 2014, 2016 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
/*
* Job manager common APIs
*/
#ifndef _KBASE_JM_H_
#define _KBASE_JM_H_
/**
* kbase_jm_kick() - Indicate that there are jobs ready to run.
* @kbdev: Device pointer
* @js_mask: Mask of the job slots that can be pulled from.
*
* Caller must hold the hwaccess_lock and schedule_sem semaphore
*
* Return: Mask of the job slots that can still be submitted to.
*/
u32 kbase_jm_kick(struct kbase_device *kbdev, u32 js_mask);
/**
* kbase_jm_kick_all() - Indicate that there are jobs ready to run on all job
* slots.
* @kbdev: Device pointer
*
* Caller must hold the hwaccess_lock and schedule_sem semaphore
*
* Return: Mask of the job slots that can still be submitted to.
*/
static inline u32 kbase_jm_kick_all(struct kbase_device *kbdev)
{
return kbase_jm_kick(kbdev, (1 << kbdev->gpu_props.num_job_slots) - 1);
}
/**
* kbase_jm_try_kick - Attempt to call kbase_jm_kick
* @kbdev: Device pointer
* @js_mask: Mask of the job slots that can be pulled from
* Context: Caller must hold hwaccess_lock
*
* If schedule_sem can be immediately obtained then this function will call
* kbase_jm_kick() otherwise it will do nothing.
*/
void kbase_jm_try_kick(struct kbase_device *kbdev, u32 js_mask);
/**
* kbase_jm_try_kick_all() - Attempt to call kbase_jm_kick_all
* @kbdev: Device pointer
* Context: Caller must hold hwaccess_lock
*
* If schedule_sem can be immediately obtained then this function will call
* kbase_jm_kick_all() otherwise it will do nothing.
*/
void kbase_jm_try_kick_all(struct kbase_device *kbdev);
/**
* kbase_jm_idle_ctx() - Mark a context as idle.
* @kbdev: Device pointer
* @kctx: Context to mark as idle
*
* No more atoms will be pulled from this context until it is marked as active
* by kbase_js_use_ctx().
*
* The context should have no atoms currently pulled from it
* (kctx->atoms_pulled == 0).
*
* Caller must hold the hwaccess_lock
*/
void kbase_jm_idle_ctx(struct kbase_device *kbdev, struct kbase_context *kctx);
/**
* kbase_jm_return_atom_to_js() - Return an atom to the job scheduler that has
* been soft-stopped or will fail due to a
* dependency
* @kbdev: Device pointer
* @katom: Atom that has been stopped or will be failed
*
* Return: Atom that has now been unblocked and can now be run, or NULL if none
*/
struct kbase_jd_atom *kbase_jm_return_atom_to_js(struct kbase_device *kbdev,
struct kbase_jd_atom *katom);
/**
* kbase_jm_complete() - Complete an atom
* @kbdev: Device pointer
* @katom: Atom that has completed
* @end_timestamp: Timestamp of atom completion
*
* Return: Atom that has now been unblocked and can now be run, or NULL if none
*/
struct kbase_jd_atom *kbase_jm_complete(struct kbase_device *kbdev,
struct kbase_jd_atom *katom, ktime_t *end_timestamp);
#endif /* _KBASE_JM_H_ */
|
